liufor

Chrome测试，Wireshark抓 curl、okhttp3、chrome的包

liufor

@startuml state-sample
' 下面一行代码引入新样式，在线查看效果 https://www.plantuml.com/plantuml/svg/RP8_Ry8m4CLtVuhhKgIg8KidXeeAqJ8WG1IfGrLLRd8a5ewTdkrI-kbxIO24FvlztldtpcSFdPVaGw615nuZ9ujIexXH9j4XnK0QSkzBDuXZajj-fdmUle93IgpnQ7m_iKNy6wJPOLngQIfKvFnEOvGyn8Lq7YbEB66_P4Vq81W-KV19y3d2scfjjyfae9L1a2Q54rkHuvK5JWHj4wdrJlGEpK7B5I_ByNZs-RHSpj-4yCfhXCbgjO0bVWTanaAIgs9Ugriw8TxlFY2A7W_-bDE5w6nWK1zfA6S6xPbLooTM1PoWJ94Sbyqt5-QOo19RprBfG9pOLdVIMZ5lLaUb3h0SNTExwYMvAHlbc6mWvyr1QPYW79I4ZYVT61LaYYRpETVCh8Sa3sQ3QUkE6g66dbaNwKTIaw_MzT0KONhVUZzIgnHkmQa_FAZNQ5UiiU4tti7AMfXAoavgggUjvoFQZZlJRSNwXljv7ELh3NIzbZv4a_BV-mS0
!includeurl https://raw.githubusercontent.com/xuanye/plantuml-style-c4/master/core.puml
' uncomment the following line and comment the first to use locally
'!include core.puml

GREEN_ARROW

title HTTP Request Parsing States

liufor

package main

import (
    "reflect"
    "fmt"
)

func main() {
    x := 42

liufor

package com.liufor.javaagent;

import net.bytebuddy.agent.ByteBuddyAgent;
import net.bytebuddy.agent.builder.AgentBuilder;
import net.bytebuddy.description.type.TypeDescription;
import net.bytebuddy.dynamic.DynamicType;
import net.bytebuddy.implementation.FixedValue;
import net.bytebuddy.utility.JavaModule;

import static net.bytebuddy.matcher.ElementMatchers.named;

liufor

slice append 前后的地址是一样的，那slice的不变性怎样实现的呢？
0xc000098020,0xc000098020

%p on slice 只能取到slice backen array的第0个元素地址，并不是slice自己的address
ref:https://golang.org/pkg/fmt/ (%p address of 0th element in base 16 notation, with leading 0x)
4个地址相同
address:0xc0000a6000 = 0xc0000a6000 =0xc0000a6000 = 0xc0000a6000

&sli 才能取到slice本身的地址
%p,&slice is address of slice self

liufor

package main

import (
	"fmt"
	"encoding/hex"
	"strconv"
)

//单个Hex转为bit string.
func HexToBin(hex string) (string, error) {

liufor

package main

import (
	"log"
	"os"
	"os/signal"
	"syscall"
)

func AddShutdownHook(hooks ...func()) {

liufor

package main

import (
	"fmt"
	"reflect"
)

func describe(x interface{}) {
	fmt.Printf("%v,%T\n", x, x)
}

liufor

package main

import (
	"fmt"
	"sync"
	"time"
)

var start time.Time

liufor

package main

import (
	"time"
)

func main() {
	//go doc time.Duration
	time.Sleep(1000 * 1000 * 1000 * 2) //2s, 默认是, 默认是纳秒ns, type Duration int64
	time.Sleep(2 * time.Second)        //2s